BRPI1013018A2 - "chapa de aço elétrica não orientada e seu método de produção" - Google Patents

"chapa de aço elétrica não orientada e seu método de produção"

Info

Publication number
BRPI1013018A2
BRPI1013018A2 BRPI1013018A BRPI1013018A BRPI1013018A2 BR PI1013018 A2 BRPI1013018 A2 BR PI1013018A2 BR PI1013018 A BRPI1013018 A BR PI1013018A BR PI1013018 A BRPI1013018 A BR PI1013018A BR PI1013018 A2 BRPI1013018 A2 BR PI1013018A2
Authority
BR
Brazil
Prior art keywords
steel sheet
production method
electric steel
oriented electric
oriented
Prior art date
Application number
BRPI1013018A
Other languages
English (en)
Inventor
Hideaki Yamamura
Kazumi Mizukami
Kazuto Kawakami
Masafumi Miyazaki
Takeaki Wakisaka
Takeshi Kubota
Yousuke Kurosaki
Original Assignee
Nippon Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to BR122018005365-8A priority Critical patent/BR122018005365B1/pt
Publication of BRPI1013018A2 publication Critical patent/BRPI1013018A2/pt
Publication of BRPI1013018B1 publication Critical patent/BRPI1013018B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/14766—Fe-Si based alloys
    • H01F1/14775—Fe-Si based alloys in the form of sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B22D11/108—Feeding additives, powders, or the like
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/16—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Soft Magnetic Materials (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
BRPI1013018-7A 2009-06-03 2010-05-25 Chapa de aço eletricamente não orientada BRPI1013018B1 (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR122018005365-8A BR122018005365B1 (pt) 2009-06-03 2010-05-25 Método de produção de uma chapa de aço eletricamente não orientada

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2009134178 2009-06-03
JP2009-134178 2009-06-03
JP2010-097274 2010-04-20
JP2010097274 2010-04-20
PCT/JP2010/058807 WO2010140509A1 (ja) 2009-06-03 2010-05-25 無方向性電磁鋼板及びその製造方法

Publications (2)

Publication Number Publication Date
BRPI1013018A2 true BRPI1013018A2 (pt) 2016-03-29
BRPI1013018B1 BRPI1013018B1 (pt) 2018-07-10

Family

ID=43297645

Family Applications (2)

Application Number Title Priority Date Filing Date
BRPI1013018-7A BRPI1013018B1 (pt) 2009-06-03 2010-05-25 Chapa de aço eletricamente não orientada
BR122018005365-8A BR122018005365B1 (pt) 2009-06-03 2010-05-25 Método de produção de uma chapa de aço eletricamente não orientada

Family Applications After (1)

Application Number Title Priority Date Filing Date
BR122018005365-8A BR122018005365B1 (pt) 2009-06-03 2010-05-25 Método de produção de uma chapa de aço eletricamente não orientada

Country Status (9)

Country Link
US (2) US9085817B2 (pt)
EP (1) EP2439302B1 (pt)
JP (1) JP4681689B2 (pt)
KR (1) KR101297864B1 (pt)
CN (1) CN102459675B (pt)
BR (2) BRPI1013018B1 (pt)
RU (1) RU2497973C2 (pt)
TW (1) TWI391501B (pt)
WO (1) WO2010140509A1 (pt)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5533629B2 (ja) * 2010-12-17 2014-06-25 新日鐵住金株式会社 高強度鋼板用の連続鋳造鋳片およびその連続鋳造方法、ならびに高強度鋼板
MX2013009670A (es) * 2011-02-24 2013-10-28 Jfe Steel Corp Lamina de acero electrico no orientado y metodo para fabricar la misma.
CN104039998B (zh) * 2011-12-28 2017-10-24 Posco公司 无取向电工钢板及其制造方法
KR101353463B1 (ko) 2011-12-28 2014-01-21 주식회사 포스코 무방향성 전기강판 및 그 제조방법
KR101353460B1 (ko) * 2011-12-28 2014-01-21 주식회사 포스코 무방향성 전기강판 및 그 제조방법
KR101353462B1 (ko) 2011-12-28 2014-01-24 주식회사 포스코 무방향성 전기강판 및 제조 방법
KR101353459B1 (ko) * 2011-12-28 2014-01-21 주식회사 포스코 무방향성 전기강판 및 그 제조방법
JP5672255B2 (ja) * 2012-02-21 2015-02-18 新日鐵住金株式会社 鍛鋼ロールの製造方法
CN103305659B (zh) * 2012-03-08 2016-03-30 宝山钢铁股份有限公司 磁性优良的无取向电工钢板及其钙处理方法
EP2883975B1 (en) 2012-08-08 2019-09-18 JFE Steel Corporation High-strength non-oriented electricomagnetic steel sheet and method for producing same
JP5533958B2 (ja) 2012-08-21 2014-06-25 Ｊｆｅスチール株式会社 打抜加工による鉄損劣化の小さい無方向性電磁鋼板
JP6057082B2 (ja) 2013-03-13 2017-01-11 Ｊｆｅスチール株式会社 磁気特性に優れる無方向性電磁鋼板
JP2014185365A (ja) * 2013-03-22 2014-10-02 Jfe Steel Corp 高周波鉄損特性に優れる無方向性電磁鋼板
JP5995002B2 (ja) 2013-08-20 2016-09-21 Ｊｆｅスチール株式会社 高磁束密度無方向性電磁鋼板およびモータ
MX376151B (es) * 2014-07-02 2025-03-07 Nippon Steel Corp Lámina de acero magnético de grano no orientado y método de fabricación para la misma.
EP3184660B1 (en) * 2014-08-21 2020-03-25 JFE Steel Corporation Non-oriented electrical steel sheet and manufacturing method thereof
JP6451832B2 (ja) * 2015-03-17 2019-01-16 新日鐵住金株式会社 無方向性電磁鋼板およびその製造方法
CN104789862A (zh) * 2015-03-20 2015-07-22 宝山钢铁股份有限公司 表面状态良好的高磁感低铁损无取向电工钢板及其制造方法
TWI641703B (zh) * 2017-01-16 2018-11-21 日商新日鐵住金股份有限公司 無方向性電磁鋼板及無方向性電磁鋼板的製造方法
US11189407B2 (en) * 2017-07-13 2021-11-30 Nippon Steel Corporation Grain-oriented electrical steel sheet
KR102009392B1 (ko) * 2017-12-26 2019-08-09 주식회사 포스코 무방향성 전기강판 및 그 제조방법
WO2020006073A1 (en) 2018-06-28 2020-01-02 Arx, Llc Dispensing method for producing dissolvable unit dose film constructs
KR102105530B1 (ko) * 2018-09-27 2020-04-28 주식회사 포스코 무방향성 전기강판 및 그 제조방법
KR102175065B1 (ko) * 2018-11-30 2020-11-05 주식회사 포스코 무방향성 전기강판 및 그 제조방법
KR102176351B1 (ko) * 2018-11-30 2020-11-09 주식회사 포스코 무방향성 전기강판 및 그 제조방법
CN110739821B (zh) * 2019-11-06 2024-04-30 天津工业大学 电动汽车用低铁耗可变磁通永磁记忆电机稳健性设计方法
KR102325008B1 (ko) * 2019-12-20 2021-11-10 주식회사 포스코 무방향성 전기강판 및 그 제조방법
TWI757156B (zh) * 2021-04-20 2022-03-01 日商日本製鐵股份有限公司 無方向性電磁鋼板用熱軋鋼板及其製造方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3212376B2 (ja) 1992-09-09 2001-09-25 新日本製鐵株式会社 超高磁束密度一方向性電磁鋼板の製造方法
JPH08188825A (ja) 1995-01-06 1996-07-23 Nippon Steel Corp 超高磁束密度一方向性電磁鋼板用スラブの製造方法
JP3430794B2 (ja) 1996-05-27 2003-07-28 Ｊｆｅスチール株式会社 磁気特性に優れる無方向性電磁鋼板およびその製造方法
RU2163933C1 (ru) 1999-07-12 2001-03-10 ОАО "Златоустовский металлургический завод" Способ легирования стали висмутом
JP2001040456A (ja) * 1999-07-29 2001-02-13 Sanyo Special Steel Co Ltd 冷鍛性、耐摩耗性に優れた電磁材料
JP2002252107A (ja) * 2001-02-23 2002-09-06 Sanyo Special Steel Co Ltd 冷間加工性に優れた軟質磁性材料の製造方法
DE602004031219D1 (de) 2003-05-06 2011-03-10 Nippon Steel Corp As bezüglich eisenverlusten hervorragend ist, und herstellungsverfahren dafür
CN100476004C (zh) 2003-05-06 2009-04-08 新日本制铁株式会社 铁损优良的无方向性电磁钢板及其制造方法
JP4280224B2 (ja) * 2004-11-04 2009-06-17 新日本製鐵株式会社 鉄損に優れた無方向性電磁鋼板
CN101218362B (zh) 2005-07-07 2010-05-12 住友金属工业株式会社 无方向性电磁钢板及其制造方法
JP4710458B2 (ja) * 2005-07-19 2011-06-29 住友金属工業株式会社 回転子用無方向性電磁鋼板の製造方法
JP4710465B2 (ja) 2005-07-25 2011-06-29 住友金属工業株式会社 回転子用無方向性電磁鋼板の製造方法
JP4779474B2 (ja) 2005-07-07 2011-09-28 住友金属工業株式会社 回転子用無方向性電磁鋼板およびその製造方法
JP4415932B2 (ja) 2005-12-13 2010-02-17 住友金属工業株式会社 回転子用無方向性電磁鋼板の製造方法
KR101011965B1 (ko) * 2005-12-15 2011-01-31 제이에프이 스틸 가부시키가이샤 고강도 무방향성 전자 강판 및 그 제조 방법
JPWO2007144964A1 (ja) 2006-06-16 2009-10-29 新日本製鐵株式会社 高強度電磁鋼板およびその製造方法
JP4648910B2 (ja) 2006-10-23 2011-03-09 新日本製鐵株式会社 磁気特性の優れた無方向性電磁鋼板の製造方法
JP2008285758A (ja) * 2008-06-02 2008-11-27 Nippon Steel Corp 一方向性電磁鋼板

Also Published As

Publication number Publication date
US20150279531A1 (en) 2015-10-01
US9595376B2 (en) 2017-03-14
KR101297864B1 (ko) 2013-08-19
RU2497973C2 (ru) 2013-11-10
JP4681689B2 (ja) 2011-05-11
TW201105807A (en) 2011-02-16
US20120014828A1 (en) 2012-01-19
RU2011152605A (ru) 2013-07-20
CN102459675A (zh) 2012-05-16
CN102459675B (zh) 2016-06-01
BRPI1013018B1 (pt) 2018-07-10
TWI391501B (zh) 2013-04-01
EP2439302A4 (en) 2014-07-23
BR122018005365B1 (pt) 2020-03-17
WO2010140509A1 (ja) 2010-12-09
EP2439302A1 (en) 2012-04-11
US9085817B2 (en) 2015-07-21
JPWO2010140509A1 (ja) 2012-11-15
KR20120014576A (ko) 2012-02-17
EP2439302B1 (en) 2016-07-06

Similar Documents

Publication Publication Date Title
BR112013004506A2 (pt) mátodo para produção de chapa de aço elétrico não orientado
BRPI0717341A2 (pt) Método de produção de chapas elétricas não orientadas excelentes em propriedades magnéticas
BRPI1011499A2 (pt) chapa de aço galvanizado e recozido e seu método de produção
BRPI0914161A2 (pt) chapa de aço elétrico não orientado e método de fabricação da mesma
EP2537958A4 (en) NON-ORIENTED ELECTROMAGNETIC STEEL SHEET AND MANUFACTURING METHOD THEREOF
BRPI0905378A2 (pt) Chapa de aço de alta resistência e seu método de produção
BRPI0903500A2 (pt) Chapa de aço galvanizada e recozida e seu método de produção
PL2602335T3 (pl) Sposób wytwarzania niezorientowanej blachy ze stali elektrotechnicznej
BR112013015464A2 (pt) método de produzir chapa de aço elétrica não orientada
PL2366810T3 (pl) Blacha elektrotechniczna i sposób jej wytwarzania
PL2278034T3 (pl) Blacha cienka z niezorientowanej stali elektrotechnicznej o dużej wytrzymałości i sposób jej wytwarzania
PL2578711T3 (pl) Blacha stalowa i sposób jej wytwarzania
BRPI1016104A2 (pt) produto de leite e processo
BRPI1008424A2 (pt) máquina elétrica de resfriamento e método de construção de máquina elétrica de resfriamento
PL2631307T3 (pl) Blacha stalowa cienka i sposób wytwarzania blachy stalowej cienkiej
EP2623626A4 (en) Non-oriented electric steel plate without corrugated fault and production method thereof
IT1393456B1 (it) Apparecchiatura e metodo per la fabbricazione di lastre ad effetto venato
BR112012011685A2 (pt) chapa de aço para corpo de navio e seu método de produção
PL2634288T3 (pl) Blacha ze stali elektrotechnicznej oraz sposób jej wytwarzania
PL2664689T3 (pl) Blacha cienka ze stali elektrotechnicznej o ziarnach zorientowanych oraz sposób jej wytwarzania
BRPI1015371A2 (pt) Processo e dispositivo para concentração de microorganismos
PL2407574T3 (pl) Blacha cienka z niezorientowanej stali magnetycznej i sposób jej wytwarzania
BR112013010765A2 (pt) chapa de aço de alta resistência e método de produção da mesma
EP2540853A4 (en) NON-ORIENTED MAGNETIC STEEL PLATE
FR2942407B1 (fr) Procede de photomaquillage et composition de photomaquillage

Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL AND SUMITOMO METAL CORPORATION (JP)

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]
B25D Requested change of name of applicant approved